front-end: Use codemirror from node_modules and stop bundling it

.hgignore

@@ -24,6 +24,7 b' syntax: regexp'
 ^kallithea/front-end/node_modules$
 ^kallithea/front-end/package-lock\.json$
 ^kallithea/front-end/tmp$
+^kallithea/public/codemirror$
 ^kallithea/public/css/select2-spinner\.gif$
 ^kallithea/public/css/select2\.png$
 ^kallithea/public/css/select2x2\.png$

LICENSE.md

@@ -54,7 +54,7 b" using the ''kallithea-cli front-end-buil"
 Codemirror
 ----------
 
-Kallithea incorporates parts of the Javascript system called
+Kallithea uses the Javascript system called
 [Codemirror](http://codemirror.net/), version 4.7.0, which is primarily:
 
 Copyright &copy; 2013-2014 by Marijn Haverbeke <[e-mail]>
@@ -63,10 +63,10 b' and licensed under the MIT-permissive li'
 [included in this distribution](MIT-Permissive-License.txt).
 
 Additional files from upstream Codemirror are copyrighted by various authors
-and licensed under other permissive licenses.  The sub-directories under
-[.../public/codemirror](kallithea/public/codemirror) include the copyright and
-license notice and information as they appeared in Codemirror's upstream
-release.
+and licensed under other permissive licenses.
+
+It is not distributed with Kallithea, but will be downloaded
+using the ''kallithea-cli front-end-build'' command.
 
 
 

kallithea/bin/kallithea_cli_front_end.py

@@ -82,6 +82,11 b' def front_end_build(install_deps, genera'
         shutil.copy(os.path.join(front_end_dir, 'node_modules', 'select2', 'select2x2.png'), os.path.join(public_dir, 'css', 'select2x2.png'))
         shutil.copy(os.path.join(front_end_dir, 'node_modules', 'select2', 'select2-spinner.gif'), os.path.join(public_dir, 'css', 'select2-spinner.gif'))
 
+        click.echo("Preparing CodeMirror JS")
+        if os.path.isdir(os.path.join(public_dir, 'codemirror')):
+            shutil.rmtree(os.path.join(public_dir, 'codemirror'))
+        shutil.copytree(os.path.join(front_end_dir, 'node_modules', 'codemirror'), os.path.join(public_dir, 'codemirror'))
+
         click.echo("Generating LICENSES.txt")
         check_licensing_json_path = os.path.join(tmp_dir, 'licensing.json')
         licensing_txt_path = os.path.join(public_dir, 'LICENSES.txt')

kallithea/front-end/package.json

@@ -3,6 +3,7 b''
   "private": true,
   "dependencies": {
     "bootstrap": "3.3.7",
+    "codemirror": "4.7",
     "datatables.net": "1.10.13",
     "datatables.net-bs": "1.10.13",
     "jquery": "1.12.3",